The International English Language Testing System or IELTS is an international standardised test of English language proficiency for non-native English language speakers.

It is jointly managed by the British Council, IDP: IELTS Australia and Cambridge English Language Assessment, and was established in 1989.

IELTS is one of the major English-language tests in the world, others being the TOEFL, TOEIC and OPI/OPIc.
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